PantryHub/config/express.js

const express = require("express");
const helmet = require("helmet");
const compression = require("compression");
const morgan = require("morgan");
const cookieParser = require("cookie-parser");
const path = require("path");
const expressLayouts = require("express-ejs-layouts");
const flash = require("connect-flash");
const userMiddleware = require("../middleware/user");

const session = require("./session");


module.exports = () => {

    const app = express();


    app.set("view engine", "ejs");

    app.set(
        "views",
        path.join(__dirname, "../views")
    );


    app.use(expressLayouts);

    app.set(
        "layout",
        "layouts/main"
    );


    app.use(
        helmet({
            contentSecurityPolicy: false
        })
    );


    app.use(compression());

    app.use(morgan("dev"));

    app.use(cookieParser());


    app.use(
        express.urlencoded({
            extended: true
        })
    );


    app.use(express.json());

    app.use(session);

    app.use(flash());

    app.use(userMiddleware);

    app.use((req, res, next) => {

        res.locals.user = req.user || null;

        res.locals.success = req.flash("success");
        res.locals.error = req.flash("error");
        res.locals.info = req.flash("info");
        res.locals.warning = req.flash("warning");
        
        res.locals.title = res.locals.title || "PantryHub";

        next();

    });


    app.use(
        express.static(
            path.join(__dirname, "../public")
        )
    );


    // API Routes
    app.use(
        "/api",
        require("../routes/api")
    );

    // Web Routes
    app.use(
        "/",
        require("../routes/auth")
    );

    app.use(
        "/",
        require("../routes/web")
    );


    app.use((req, res) => {

        res.status(404)
            .render("errors/404");

    });


    return app;

};